> On Jul 20, 2016, at 3:08 PM, Nitecki, Zbigniew H. <Zbigniew.Nitecki at tufts.edu> wrote: > > Howdy, Unless you really have many versions of TeXShop sitting around it sounds like you have a problem with the Launch Services database. What version of OS X are you using? Good Luck, Herb Schulz (herbs at wideopenwest dot com)